[PATCH] D70487: Summary:[DAGCombiner] Allow zextended load combines.

[Clement Courbet via Phabricator via llvm-commits]

courbet created this revision.
courbet added reviewers: apilipenko, RKSimon.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.

or(zext(load8(base)), zext(load8(base+1)) -> zext(load16 base)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D70487

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/AArch64/load-combine-big-endian.ll
  llvm/test/CodeGen/AArch64/load-combine.ll
  llvm/test/CodeGen/ARM/load-combine-big-endian.ll
  llvm/test/CodeGen/ARM/load-combine.ll
  llvm/test/CodeGen/X86/load-combine.ll

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